﻿#region License

// Another free, open solution by someone who gets it.
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#endregion

using System;

using AutoMapper;

using Patterns.Validation.Advanced;

namespace Patterns.Reflection
{
	///<summary>
	///	Provides a non-generic reflection wrapper.
	///</summary>
	public class ReflectedType : ReflectedObject<object>, IReflection
	{
		private readonly Type _instanceType;

		/// <summary>
		/// 	Initializes a new instance of the <see cref = "ReflectedType" /> class.
		/// </summary>
		/// <param name = "instanceType">The instance type to target.</param>
		/// <param name = "mapper">The mapper.</param>
		public ReflectedType(Type instanceType, IMappingEngine mapper) : base(null, mapper)
		{
			_instanceType = instanceType;
		}

		#region IReflection Members

		///<summary>
		///	Sets the reflection target.
		///</summary>
		///<param name = "instance">The target instance.</param>
		///<remarks>
		///	Since this class uses type information with no corresponding instance during creation,
		///	this method must be called to establish an object context before reflection operations
		///	can complete successfully.
		///</remarks>
		public IReflection SetTarget(object instance)
		{
			instance.Should().NotBeNull().And.BeAssignableTo(_instanceType);
			Target = instance;
			return this;
		}

		#endregion
	}
}